Apparatus for casting battery-plates.



PATENTED APR. 19, 1904.

J. 3mm. APPARATUS FOR CASTING BATTERY PLATES.

APPLICATION TILED FEB. 10, 1903.

N0 MODEL.

m VEN 70F J51; 6727C 33 ATTOHNEYg Patented April 19, 1904.

JOSEPH BIJUR, OF NEW YORK, N. Y.

APPARATUS FOR CASTlNG BATTERY-PLATES.

SPECIFICATION forming part Of Letters Patent N0. 757,719, dated L-pri: 19, 1904. Application filed February 10,1903 Serial No. 142,749. (No model.)

To all whom, it may concern:

Be it known that I, .Josnrn: BIJ'UR, a citizen of the United States, and a resident ofthe useful Improvements in Apparatus for.Cast

ing Battery-Plates, of which the following is a specification accompanied by drawings.

My invention relates, primarily, to apparatus for casting open-work structures for storage-battery plates and the like, but more particularly to a new article of manufacture in the form of a slat designed for use as acrosspiece in a mold in combination with any desired number of individual elements having interstices-as, for instance, grilles or pastils which, together with the slat, are embraced by molten metal to. form the finished plate. My new article of manufacture may, however, be used in any connection to which it is applicable.

The objects of my invention are to enable open-work plates to be made froma number of such grilles or pastils of lead or alloyzor.

' any other suitable material to form the finished plate.

. Further objects of. my invention will here inafter appear; and to these ends my invention consists of a slat for carrying out the above objects embodying the arrangement of parts and features of construction, substantially as hereinafter fully described and claimed in this.

specification, and shownin the accompanying drawings, in which Figure 1 is a perspective View of a slat embodying my invention.- .Fig. 2is a perspective View with one end broken away and the.

other end shown in transverse section on the line 2 2 of Fig. .1. Fig. 3 is a perspective view with one end shown in transverse section on the line 3 3 of Fig. ,1. Fig. A is a perspective view of the slat with the steel cores or filling-pieces removed. Fig. 5 is a perspective view of one of the steel filling-pieces. Fig. 6 is a transverse sectional view on the line 6 6 of Fig. 4. Fig. 7 is an enlarged side view of a portion of one end of the slat. Fig. Sis a transverse sectional view on the line 88 of Fig. 7. Fig. 9 is a transverse sectional view on the line 9 9 of Fig. 7. Fig. 10 is a side view, on a greatly-reduced scale, of an openwork battery-plate in which my new article of manufacture is used as one of the elements of the structure; and Fig. 11 is a perspective view showing a modification of the filling- I pieces or cores.

The open-work structure in the form of a storage-battery plate A (shown in Fig. 10) is l made from a number of individual elements, 3 in this instance in the form of grilles or pas tils B, of suitable material, as lead, combined and firmly secured to the cross slats C to form the finished structure. The grilles or apastilsB and slats C are made in any desired manner, as by casting, and then assembled in i a suitable mold. with longitudinal channels be- 1 tween the grilles. The mold is then poured with molten metal, as molten lead or a molten i alloy or any other suitable material, and the grilles and cross-slats are thus firmly embraced by the metal to form the plate, provision be- 5 ing made inthe mold for casting the lugs D of the plate A from the molten metal. By i using the molten metal, asdescribed, the slats and grills are, in fact, chemically united to the embracing metal. d Any suitable mold may be used in casting the plate A, and as this formsno part of my 1 present invention no mold has beenshown or described; but. enough of the apparatus has been illustrated to enable the invention to be understood. In pouring the mold the molten metal passes downwardly through the longitudinal channels .left between the individual grilles and between the grilles and the sidesof the mold, .andto afford a continuous passage from one end of achannel to the other the slats C are provided. with the apertures E in the 2 body portion G of .the slat, and the'apertures H at the ends of the body portion are adapted to register with each channel, so that the molten metal may flow freely from" one end of 1 the mold to the otherand firmly unite all of the grilles or pastils andcross-slats, at the same time forming thefedges F and one end I of the finished plate A. 1 As shown in-my improved plate, the grilles or pastils B are notfunited to the slats or cross-pieces at top and bottom; but spaces J are left at these points to permit the portions of the plate to expand without causing buckling, and provision is afforded for casting the plate with these apertures or spacesJ formed therein. The slats C are so constructed that the plate may be cast with cores in the form of steel pieces K, which may afterward be removed, leaving the spaces J in the finished plate, and these cores may of course be of anydsuitable material other than steel, if des1re The slat C, as shown, comprises the body portion G, which is made in any desired manner, as by casting from any suitable metal, as lead, with the cores or steel pieces K preferably embedded therein at the desired intervals, as shown in the drawings, and the apertures E, as shown, being arranged between the pieces K according to my construction all of the apertures extend between those sides of the slat in which the pieces K are embedded. The pieces K are formed with a draft, or tapered, as shown, in order that they may readily be driven out of the cast plate or otherwise removed, and in this instance they are provided with the notches L to locate them in the mold in'which the slat C is cast. The bottom slat O of the plate A is provided with pieces K upon one side only, for they are not necessary upon the outside of the plate, and no slat is used at the other end of the mold to form the end or edge I of the plate, the steel pieces K being suitably secured to the outside of each grille B of the last row of grilles, as by means of suitable pins P, passing into the steel pieces themselves, as shown upon the piece K. (Illustrated in Fig. 11.) By means of my improved slat a battery-plate may be cast, as described, efliciently and well, and the finished plate, comprising the slats and grilles or pastils firmly united and welded to each other, is exceptionally strong and durable.

In casting storage-battery plates having a rectangular framework united to elements adapted to become active it is desirable to form 'the said framework by uniting or welding previously-cast horizontal members by means of straight vertical members R, formed in the welding apparatus provided with a mold. In, order to form the apertures J at the ends of the elements B of such welded plate A, it is found advisable to insert the cores K of steel or other suitable material into the mold in whichthe plate is cast in such a manner that the cores are maintained in position at the ends of the elements B while the remaining metal in the plate is being cast.

In the welding apparatus the mold adapted to receive the elements and framework is hot. To avoid placinga large number of small corepieces separately in such a mold, it is desirable to mechanically retain the cores in the slats or cross members used, which may be most conveniently done by casting them in the slat.

To still further simplify the handling in a hot mold, it is desirable instead of handling a row of separate bars each the width of a grille B, containing embedded steel pieces, to form a slat C, consisting, essentially, of a number of such bars united in such a manner that the uniting webs or body portion do not interfere with the flow of the stream of molten metal subsequently poured into the mold.

Obviously some features of my invention may be used without others, and my, invention may be embodied in widely -varying forms.

Therefore, without limiting myself to the construction shown and described nor enumerating equivalents, I claim, and desire to obtain by Letters Patent, the following:

1.' As an improved article of manufacture, a slat or cross-piece adapted to form an integral part of a cast plate or other structure, said slat comprising a body portion having removable core-pieces embedded therein at in-- tervals, and provided with apertures between the core-pieces and at the ends of said body portion, for substantially the purposes set forth. r

2. As an improved article of manufacture, a slat or cross-piece adapted toform an inte: gral part of a cast plate or other structure," said slat comprising a body portion having removable core-pieces embedded in its sides, and provided with apertures extending between those sides in which the said core-pieces are embedded and arranged between the core-' pieces and at the ends of the body portion of the slat, for substantially the purposes set forth.

3. As an improved article of manufacture, a-slat or cross-piece adapted to form an inte'-' gral part of a cast plate or other structure, said slat comprising a body portion having removable core-pieces embedded in one side at intervals, and provided with apertures between the core pieces and at the ends of said body portion, for substantially the purposes set forth.

In testimony whereof I have signed 'this specification in the presence of two subscribing witnesses. v

JOSEPH BIJUR.

Witnesses:

E. VAN ZANDT, A. L. OBRIEN. 

